Sending 'Phascum' specimens; his method for keeping them. Finds that most botanists have confounded 'P. multicapsulare', 'P. aphyllum', and 'P. stoloniferum' under 'P. acaulon'; observations.
Sends 'Bryum canceolatum' by request, also 'P. muticum', 'P. acaulon', 'P. bryoides', 'Lichen narius' of Hoffmann, 'L. punctiformis', 'P. curviocollum'; a "singular production", 'P. scandens'.